Home / 7,400.92-11,101.38-2,206.39

Finding the Fourth Proportional to 7,400.92, 11,101.38 and 2,206.39

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Solution

The fourth proportional to 7,400.92, 11,101.38 and 2,206.39 is: 3,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.92 : 11,101.38 = 2,206.39 : x
  2. Step 2: Convert to fraction form
    7,400.92/11,101.38 = 2,206.39/x
  3. Step 3: Cross multiply
    7,400.92x = 11,101.38 × 2,206.39
  4. Step 4: Simplify right side
    7,400.92x = 24,493,973.82
  5. Step 5: Solve for x
    x = 24,493,973.82/7,400.92
  6. Step 6: Final answer
    x = 3,309.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.